[Metal Material]This ground rod driver is made of Metal material, which is impact, rust . It is a heavy duty one-piece tool, to use. [Wide Compatibility]Our ground rod driver is compatible with all other SDS-PLUS hammer drill (not compatible with tools that accept SDS-MAX). [Widely Uses]This product is not just for standard steel T-posts, but also for small signs or shallow steel single posts supporting electrical outlets. [Safe and Impact Resistance]this tool has thick metal wall, which can withstand greater impact without damage. With it, you do not need to use sledgehammer and planks to install ground rods. Applicable model: Compatible with all other SDS-PLUS electric hammer drills (not compatible with tools that accept SDS-MAX) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Colour:As Shown Material:Metal Size:100mmx20.2mm Package Contents: 1pcs x Ground Rod Driver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.